/**
* Filter the query by a related File object
*
* @param File|PropelCollection $file The related object(s) to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return CommentQuery The current query, for fluid interface
*/
public function filterByFile($file, $comparison = null)
{
if ($file instanceof File) {
return $this->addUsingAlias(CommentPeer::FILE_ID, $file->getId(), $comparison);
} elseif ($file instanceof PropelCollection) {
if (null === $comparison) {
$comparison = Criteria::IN;
}
return $this->addUsingAlias(CommentPeer::FILE_ID, $file->toKeyValue('PrimaryKey', 'Id'), $comparison);
} else {
throw new PropelException('filterByFile() only accepts arguments of type File or PropelCollection');
}
}
